adding default loop policy for asyncio (#1020)

Author: pUrGe12

nettacker/core/lib/http.py

@@ -7,10 +7,13 @@
 import time
 
 import aiohttp
+import uvloop
 
 from nettacker.core.lib.base import BaseEngine
 from nettacker.core.utils.common import replace_dependent_response, reverse_and_regex_condition
 
+asyncio.set_event_loop_policy(uvloop.EventLoopPolicy())
+
 
 async def perform_request_action(action, request_options):
     start_time = time.time()